Xinje VB3 - Appendix A Accessories; A-1. Brake Resistor

V5 series inverter
97
Appendix A Accessories
A-1. Brake resistor
1.5~18.5KW (not including VB5-21P5, VB5-22P2) inverters have built-in brake unit. Please select
brake unit as table 1-1. 22KW and above inverters need to connect brake unit. Please refer to Fig. 1-1
for wiring.
Figure 1-1 Wiring of inverter and brake units
The brake unit wiring of inverter:
Table 1-1 Braking resistor selection
Spec. (KW)
Brake unit Brake resistor
Sepc
Quantity
Equivalent brake
resistor (Ω)
Equivalent brake
power (W)
380V
1.5
Built-in
1 300 400
2.2 1 200 500
3.7 1 200 500
5.5 1 100 500
7.5 1 75 1000
11 1 50 1000
15 1 40 1500
18.5
1 32 5000
22
External
1 27.2 5000
30 1 20 6000
37 1 16 9600
45 1 13.6 9600
55 1 10 12000
brake
unit
P+
P-
brake
unit
brake
unit
P-
P+
P1
(DC power supply)
P1
(DC power supply)
5.5~18.5KW
22~45KW
P+
P-
PB
P+
PB
1.5~3.7KW
B2
B1
B1
B2
55~75KW